Apparatus for metal-rolling.



Patented Ian. M, I902.

J., MORGAN.

APPARATUS FOR METAL ROLLING.

[Application filed Dec. 19 1900.)

(No Model.)

' wi tnwow UNITED STATES PATENT OFFICE.

JOSEPH MORGAN, OF JOHNSTOWN, PENNSYLVANIA.

APPARATUS FOR METAL-ROLLING.

SPECIFICATION forming part of Letters Patent No. 691,159, dated January 14, 1902.

' Application filed December 19, 1900. serial No. 40,425. (No model) T0 aZZ whom it may concern.-

Be it known that I, J osnrrr MORGAN, a citizen of the United States, residing at Johnstown, in the county of Oambria and State of Pennsylvania, have invented certain new and useful Improvements in Apparatus for Metal- Rolling; and I do hereby declare the follow ing to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

In rolling certain metals, and particularly in rolling steel, it is well known that in order to produce the best physical qualities in the material the final work or rolling pressure should be put upon the metal while it is at a comparatively low heat. It is therefore necessary to hold the partially-rolled bar upon the rolling-mill table until it has reached the proper finishing temperature before being given the final pass or passes through the rolls in order to produce the desired finish and physical qualities. With the-increased production of large modern rolling-mills a difficulty arises in providing storage -room upon the usual tables sufficient to prevent delay to the progress of rolling with consequent loss of output. In order to overcome this difficulty, I arrange a series of tables to provide additional storage-room for the metal bars in transit through the mill, so as to increase the time for cooling Without decreasing the rate of the output.

By means of my invention I increase the time in which the metal rails or bars may be held upon the tables and provide means for traveling the bars or rails toward the working grooves after they have remained a sufficiently long time.

Referring now to the annexed sheet of drawings, which form part of this specification, and in which like letters refer to like parts, Figure 1 is a plan view of a rolling-mill, showing my improvements; and Fig. 2 is a side elevation thereof.

Referring to the letters of reference upon the drawings, it will be seen that the tables are divided into five groups, (lettered A, B, C, D, and E,) each provided with rollers h, independently driven by means of the motors g, g g g and 9 The groove in the rolls through which the material is delivered to table A is marked a, while the groove to which the material is finally delivered from table E is marked d, the portions of the table immediately adjoining the rolls being indicated by the letters I) and a.

Rails or bars are indicated at 'i by dotted lines, the various tables being arranged to normally transport the material in the direction indicated by the arrows thereon, and for convenience in use the rollers h of the tables are made reversible in their operation.

6 is a switch normally held in the position shown by the spring fand so arranged as to permit the passage of a bar or rail from table B to table 0 and to switch off or deliver abar going in the contrary direction from table 0 to table D.

Having thus described my apparatus, I will now proceed to explain its operation, and in order to simplify the description I will refer to the rolling of rails, although the apparatus is equally applicable to other sections. A rail passing out of the groove a is received upon the section of the table marked A, and after a suitable interval of time it is moved to section B, and after other intervals to sections 0, D, and E, thence into the groove d. The arrangement of the tables is such that a sufficient number of rails may be held upon them at once, so as to permit the necessary time for cooling without the interruption of the regular working of the rollingmill.

By means of my invention it is possible to increase the period of waiting to as many times the ordinary working interval as there are sections of the table. In moving from section B to section 0 the rail opens the spring-switch e, which allows it to pass out of section B into section 0, but in returning the switch is held closed by means of the spring f, and thus diverts the rail into section D and prevents it from returning into section 13.

Although I have shown five tables on the drawings, I do not limit myself to this exact number and arrangement, as a greater or less number of tables may be used and they may also be arranged in a different manner with relation to each other without departing from the spirit of my invention. It is obvious of course that the sections of tables may be arranged in a continuous line by dividingthe train of rolls into a line of separate trains.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is-

1. A metal-rolling apparatus comprising rolls provided with grooves or passes, a plu rality of separate conveying-tables fixed end to end and extending longitudinally from one pass to the next pass, each of said tables having an independentmotor for operating the conveying means thereof, all so arranged as to receive the metal from one pass, hold it as long as necessary to cool it to the temperature required, and then deliver it to the next pass.

.2. A metal-rolling apparatus, comprising rolls provided with grooves or passes, a series of conveyingtables stationary as regards lateral movement, arranged substantially in the line of delivery from one pass, a similar series of conveying-tables arranged substantially in the line of delivery to the next pass, independent motors on each of said tables for operating the conveying means thereof, all so arranged as to receive the metal from one pass, hold it as long as necessary to cool it to the temperature required, and then deliver it to the next pass.

3. A metal-rolling apparatus, comprising rolls provided with grooves or passes, one or more conveying-tables arranged in the line of delivery from one groove, one or more similar conveying-tables arranged in the line of delivery to the next groove, a stationary conveying-table adjoining those ends of the tables aforesaid most remote from the rolls and in operative connection with the aforesaid tables, each of said conveying-tables being provided with an independent motor for.

operating the conveying means thereof, all so arranged that the metal may be received from one pass, held in transportation as desired, and then delivered to the next pass.

4. A metal-rolling apparatus, comprising rolls provided with grooves or passes, one or more conveying-tables arranged in the line of delivery from one pass, one or more similar conveying-tables arranged in the line of delivery to the next pass, a conveying-table adjoining the ends of and in operative connection with the aforesaid tables, a springswitch located at the junction of the tables and automatically operated by the motion of the metal, each of said tables being provided with an independent motor, all arranged to receive the metal from one pass, hold it in transportation as desired, and then deliver to the next pass.

In testimony whereof I hereto affix my sig nature in the presence of two witnesses.

JOSEPH MORGAN. Witnesses:

CYRUS O. HUBBARD, O. B. RIPPLE. 

